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Molecules from the 20-million-year-old teeth of a rhino relative are among the oldest ever sequenced, opening tantalizing ...
This study, published in Nature, sheds light on the evolutionary precursors to multicellularity. The earliest life forms on ...
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Are birds reptiles? - MSN
"It's not until around the [19]40s where genetic evidence actually clarified where birds sit [on the tree of life]," ...
In the remote reaches of Arizona s Petrified Forest National Park, scientists have unearthed North America's oldest known pterosaur a small, gull-sized flier that once soared above Triassic ecosystems ...
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